<?php

class MyClass{
    const CONST_VALUE = "a";
}


class OtherClass extends MyClass {

    public static $s = 'b';
    public function __construct(){
        // echo parent::CONST_VALUE;
        // echo self::CONST_VALUE;
        // echo self::$s;
        // echo static::$s;
        // echo static::CONST_VALUE;
    }
}

$obj = new OtherClass();
